We know that some animals are bilaterian—meaning they display bilateral symmetry—while others are not, but nature is rarely ...

Kingdom: Animalia. Phylum: Chordata (animals that have a notochord at some point in their lives; in fish, reptiles, birds and mammals, the notochord becomes the vertebral column) ...

Kingdom Animalia (Multicellular animals). In 1982, Margulius and Schwartz revised the five kingdom classification. It includes one prokaryote and four eukaryote kingdoms- the Protocista, the Fungi ...

Classification attempts to impose a hierarchy on the complex and dynamic variety of life on Earth by describing how different species group ... Kingdom: Plantae, animalia, fungi, protoctista and ...